Emma Thompson lays herself bare in the dramedy “Good Luck to You, Leo Grande,” but it’s the emotional aspects that deserve the most attention, in this funny and sensitively told two-hander that, understandably, is making its debut on Hulu. Taking place almost entirely inside a hotel room, it’s a movie bathed in poignance and sweetness as well as sex and longing.Emma Thompson lays herself bare in the dramedy “Good Luck to You, Leo Grande,” but it’s the emotional aspects that deserve the most attention, in this funny and sensitively told two-hander that, understandably, is making its debut on Hulu. Taking place almost entirely inside a hotel room, it’s a movie bathed in poignance and sweetness as well as sex and longing.